Mining positive pressure air distribution device

Abstract

The utility model discloses a mining positive pressure air distribution device, which belongs to the technical field of coal mines and comprises a main delivery pipe, a flange plate is fixedly mounted at the bottom end of the main delivery pipe, a five-way pipe is mounted at the top end of the main delivery pipe in a communicated manner, and telescopic hoses are mounted at the other ends of the five-way pipe in a communicated manner. An auxiliary conveying pipe is installed at the end, away from the five-way pipe, of the telescopic hose in a communicating mode, and a fixing base and two fixing blocks are fixedly installed on the outer surface of the main conveying pipe. The main conveying pipe, the five-way pipe, the telescopic hose and the auxiliary conveying pipe are used in cooperation, the main conveying pipe communicates with an air outlet of a fan through a flange plate, the five-way pipe is matched with the auxiliary conveying pipe to achieve multi-direction air distribution operation, a lead screw is used in cooperation with a connecting arm and a sliding base, and swinging of the auxiliary conveying pipe can be achieved under the action of a rack plate and a gear; therefore, multi-direction and multi-angle air distribution operation is achieved, and when the draught fan works, air can be rapidly distributed in a mine pit operation area.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mines, and in particular relates to a positive pressure air distribution device for mines. Background Art

[0002] Coal mines are reasonable spaces dug by humans when they dig geological layers rich in coal, usually including tunnels, shafts, and mining faces. Coal is the main solid fuel and a type of combustible organic rock. It is formed by lush plants that grow in a certain geological age, gradually accumulate into thick layers in a suitable geological environment, and are buried in water or mud, and are formed by natural coalification over a long geological period.

[0003] In the process of coal mining and excavation, fans are needed for ventilation and exhaust. However, there is no effective air distribution device matching the existing fan outlet position, and air cannot be discharged in multiple directions at the same time, which has certain limitations in use. Utility Model Content

[0004] The purpose of the utility model is to provide a positive pressure air distribution device for mining, so as to solve the problem that the existing fan outlet position is not matched with an effective air distribution device, cannot discharge air in multiple directions at the same time, and has certain limitations in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positive pressure air distribution device for mining, comprising a main delivery pipe, a flange fixedly installed at the bottom end of the main delivery pipe, a five-way pipe connected and installed at the top end of the main delivery pipe, a telescopic hose connected and installed at the other ends of the five-way pipe, an auxiliary delivery pipe connected and installed at one end of the telescopic hose away from the five-way pipe, a fixed seat and two fixed blocks fixedly installed on the outer surface of the main delivery pipe, a plurality of support seats fixedly installed on the upper surface of the fixed seat, the auxiliary delivery pipe rotatably installed on the inner wall of the support seat at the corresponding position, a rotating shaft rotatably installed on the fixed block, and a fixed shaft fixedly installed between the two rotating shafts A lead screw is fixedly installed, a motor is fixedly installed on the side of one of the fixed blocks, the output shaft of the motor is fixedly connected to the rotating shaft at the corresponding position, a sliding seat is threadedly installed on the outer surface of the lead screw, the sliding seat is sleeved on the outer surface of the main conveying pipe, a plurality of connecting blocks 1 are fixedly installed on the upper surface of the sliding seat, a connecting arm is hingedly installed on the connecting block 1, a connecting block 2 is hingedly installed on the other end of the connecting arm, a rack plate is fixedly installed on the side of the connecting block 2, a gear used in conjunction with the rack plate is fixedly installed on the end of the rotating shaft of the auxiliary conveying pipe, a receiving groove is provided at the bottom end of the main conveying pipe, and a dust filter is provided in the receiving groove.

[0006] By adopting the above scheme, a main delivery pipe, a five-way pipe, a telescopic hose and an auxiliary delivery pipe are arranged for use in combination. The main delivery pipe is connected to the air outlet of the fan through a flange. The five-way pipe cooperates with the auxiliary delivery pipe to realize multi-directional air distribution operation. The lead screw is used in combination with the connecting arm and the sliding seat. Under the action of the rack plate and the gear, the auxiliary delivery pipe can swing, thereby realizing multi-directional and multi-angle air distribution operation, so that the air volume can quickly cover the mine working area when the fan is working. By arranging a dust filter for use in combination, the gas can be filtered to prevent dust and impurities from being mixed in the gas and blown out. The dust filter can be conveniently disassembled and assembled through a spring and a blocking block, which is convenient for subsequent cleaning and maintenance.

[0007] As a preferred embodiment, a trapezoidal sliding block is fixedly mounted on the side of the rack plate, and a trapezoidal sliding groove for the sliding of the trapezoidal sliding block is provided on the side of the support seat.

[0008] By adopting the above solution, the trapezoidal sliding block slides in the trapezoidal sliding groove, and can support the rack plate, thereby ensuring that the rack plate moves stably and is not easy to separate from the support seat.

[0009] As a preferred embodiment, a plurality of limiting strips are fixedly mounted on the outer surface of the main conveying pipe, and a limiting groove is formed on the inner wall of the sliding seat for the limiting strips to slide.

[0010] By adopting the above solution, the limiting strip is used in conjunction with the limiting groove to support and guide the up and down movement of the sliding seat, thereby improving the movement stability and preventing shaking.

[0011] As a preferred embodiment, a plurality of alignment plug plates are fixed to the outer surface of the dust filter, and an alignment slot for inserting the alignment plug plates is provided on the inner wall of the receiving groove at the bottom end of the main conveying pipe.

[0012] By adopting the above solution, the alignment plug plate is used in conjunction with the alignment slot to limit the dust filter and prevent it from moving.

[0013] As a preferred embodiment, a groove is provided on the inner wall of the receiving groove at the bottom end of the main conveying pipe, and a spring is fixedly installed on the inner wall of the groove, and a blocking block is fixedly installed on the end of the spring, and the blocking block is arranged in a close fit on the lower surface of the dust filter.

[0014] By adopting the above scheme, the blocking block squeezes the spring to deform when it moves, and the dust filter can be disassembled and assembled when the blocking block enters the groove. The elasticity of the spring is used to drive the blocking block to move out of the groove, thereby realizing the restriction of the dust filter.

[0015] As a preferred embodiment, a telescopic rod is provided in the spring, and two ends of the telescopic rod are fixedly connected to the inner wall of the groove and the side surface of the blocking block respectively.

[0016] By adopting the above solution, the telescopic rod can support the blocking block to prevent the blocking block from shaking and improve the stability of use.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The mine positive pressure air distribution device is used in conjunction with a main delivery pipe, a five-way pipe, a telescopic hose and an auxiliary delivery pipe. The main delivery pipe is connected to the air outlet of the fan through a flange. The five-way pipe cooperates with the auxiliary delivery pipe to achieve multi-directional air distribution operation. The lead screw is used in conjunction with a connecting arm and a sliding seat. Under the action of a rack plate and a gear, the auxiliary delivery pipe can swing, thereby achieving multi-directional and multi-angle air distribution operation, so that the air volume can quickly cover the mine operation area when the fan is working.

[0019] The mining positive pressure air distribution device can filter the gas by setting up a dust filter to prevent dust and impurities from being mixed in the gas and blown out. The dust filter can be easily disassembled and assembled through springs and blocking blocks, which is convenient for subsequent cleaning and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the sliding seat of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the main delivery pipe, the five-way pipe, the telescopic hose and the auxiliary delivery pipe of the utility model;

[0023] Figure 4 It is a structural schematic diagram of a partial cross section of the main delivery pipe of the utility model;

[0024] Figure 5 For this utility model Figure 4 Schematic diagram of the structure enlarged at point A in the middle.

[0025] In the figure: 1. main conveying pipe; 2. flange; 3. five-way pipe; 4. telescopic hose; 5. auxiliary conveying pipe; 6. fixed seat; 7. support seat; 8. fixed block; 9. rotating shaft; 10. motor; 11. screw; 12. sliding seat; 13. connecting block 1; 14. connecting arm; 15. connecting block 2; 16. rack plate; 17. gear; 18. dust filter; 19. trapezoidal slider; 20. limit strip; 21. alignment plug plate; 22. spring; 23. blocking block; 24. telescopic rod. DETAILED DESCRIPTION

[0026] See also Figure 1-5The utility model provides a positive pressure air distribution device for mining, comprising a main conveying pipe 1, a flange 2 is fixedly installed at the bottom end of the main conveying pipe 1, a five-way pipe 3 is connected and installed at the top end of the main conveying pipe 1, and telescopic hoses 4 are connected and installed at the other ends of the five-way pipe 3, and an auxiliary conveying pipe 5 is connected and installed at one end of the telescopic hose 4 away from the five-way pipe 3. A fixed seat 6 and two fixed blocks 8 are fixedly installed on the outer surface of the main conveying pipe 1, and a plurality of support seats 7 are fixedly installed on the upper surface of the fixed seat 6. The auxiliary conveying pipe 5 is rotatably installed on the inner wall of the support seat 7 at the corresponding position, and a rotating shaft 9 is rotatably installed on the fixed block 8. A lead screw 11 is fixedly installed between the two rotating shafts 9, and one of the fixed blocks A motor 10 is fixedly mounted on the side surface of 8, and the output shaft of the motor 10 is fixedly connected to the rotating shaft 9 at the corresponding position. A sliding seat 12 is threadedly mounted on the outer surface of the lead screw 11, and the sliding seat 12 is sleeved on the outer surface of the main conveying pipe 1. A plurality of connecting blocks 13 are fixedly mounted on the upper surface of the sliding seat 12. A connecting arm 14 is hingedly mounted on the connecting block 13, and a connecting block 2 15 is hingedly mounted on the other end of the connecting arm 14. A rack plate 16 is fixedly mounted on the side of the connecting block 2 15, and a gear 17 used in conjunction with the rack plate 16 is fixedly mounted on the end of the rotating shaft of the auxiliary conveying pipe 5. A receiving groove is provided at the bottom end of the main conveying pipe 1 and a dust filter 18 is provided in the receiving groove.

[0027] A trapezoidal slider 19 is fixedly installed on the side of the rack plate 16, and a trapezoidal slide groove for the trapezoidal slider 19 to slide is opened on the side of the support seat 7. The trapezoidal slider 19 slides in the trapezoidal slide groove to support the rack plate 16, ensuring that the rack plate 16 moves stably and is not easy to separate from the support seat 7.

[0028] A number of limit strips 20 are fixedly installed on the outer surface of the main conveying pipe 1, and a limit groove is opened on the inner wall of the sliding seat 12 for the limit strips 20 to slide. The limit strips 20 are used in conjunction with the limit grooves to support and guide the up and down movement of the sliding seat 12, improve the movement stability and prevent shaking.

[0029] A plurality of alignment plates 21 are fixed to the outer surface of the dust filter 18, and an alignment slot for inserting the alignment plates 21 is provided on the inner wall of the receiving groove at the bottom end of the main conveying pipe 1. The alignment plates 21 are used in conjunction with the alignment slots to limit the dust filter 18 and prevent movement.

[0030] A groove is provided on the inner wall of the accommodating groove at the bottom end of the main conveying pipe 1, and a spring 22 is fixedly installed on the inner wall of the groove, and a blocking block 23 is fixedly installed on the end of the spring 22. The blocking block 23 is arranged in a close fit on the lower surface of the dust filter 18. When the blocking block 23 moves, the spring 22 is squeezed and deformed. When the blocking block 23 enters the groove, the dust filter 18 can be disassembled and assembled. The elasticity of the spring 22 is used to drive the blocking block 23 to move out of the groove, thereby realizing the restriction of the dust filter 18.

[0031] A telescopic rod 24 is arranged inside the spring 22, and the two ends of the telescopic rod 24 are fixedly connected to the inner wall of the groove and the side of the blocking block 23 respectively. The telescopic rod 24 can support the blocking block 23 to prevent the blocking block 23 from shaking and improve the stability of use.

[0032] During use, the flange 2 is used to connect the main delivery pipe 1 with the fan outlet pipe. When the fan is working, the gas is delivered from the main delivery pipe 1 to the five-way pipe 3, and then delivered to the telescopic hose 4 through the five-way pipe 3, and then ejected through the auxiliary delivery pipe 5. Multiple auxiliary delivery pipes 5 spray air in multiple directions. At the same time, the motor 10 drives the rotating shaft 9 to drive the screw 11 to rotate, and then drives the sliding seat 12 to move up and down. The hinged action of the connecting block 13, the connecting arm 14 and the connecting block 2 15 is used to drive the rack plate 16 to move horizontally. The rack plate 16 and the gear 17 are used to drive the auxiliary delivery pipe 5 to swing up and down to achieve multi-angle air spraying. During gas delivery, the dust filter 18 can be filtered to prevent particulate matter from being ejected. When the dust filter 18 needs to be disassembled later, the blocking block 23 is pressed to make the blocking block 23 move until it no longer blocks the dust filter 18, and the dust filter 18 can be slid out.

Claims

1. A positive pressure air distribution device for mining, characterized in that: The invention comprises a main delivery pipe (1), the bottom end of which is fixedly mounted with a flange (2), the top end of which is connected to a five-way pipe (3), the other ends of which are connected to telescopic hoses (4), the end of which, away from the five-way pipe (3), is connected to a secondary delivery pipe (5), the outer surface of which is fixedly mounted with a fixed seat (6) and two fixed blocks (8), the upper surface of which is fixedly mounted with a plurality of support seats (7), the secondary delivery pipe (5) is rotatably mounted on the inner wall of the support seat (7) at a corresponding position, the fixed block (8) is rotatably mounted with a rotating shaft (9), a lead screw (11) is fixedly mounted between the two rotating shafts (9), and one of the fixed blocks (8) is fixedly mounted on the side thereof. A motor (10) is installed, the output shaft of the motor (10) is fixedly connected to the rotating shaft (9) at the corresponding position, the outer surface of the lead screw (11) is threadedly installed with a sliding seat (12), the sliding seat (12) is sleeved on the outer surface of the main conveying pipe (1), and a plurality of connecting blocks (13) are fixedly installed on the upper surface of the sliding seat (12), a connecting arm (14) is hingedly installed on the connecting block (13), and a connecting block (15) is hingedly installed on the other end of the connecting arm (14), and a rack plate (16) is fixedly installed on the side of the connecting block (15), and a gear (17) used in conjunction with the rack plate (16) is fixedly installed on the end of the rotating shaft of the auxiliary conveying pipe (5), and a receiving groove is opened at the bottom end of the main conveying pipe (1) and a dust filter (18) is arranged in the receiving groove.

2. The positive pressure air distribution device for mining according to claim 1 is characterized in that: A trapezoidal sliding block (19) is fixedly mounted on the side of the rack plate (16), and a trapezoidal sliding groove for the sliding of the trapezoidal sliding block (19) is provided on the side of the support seat (7).

3. The positive pressure air distribution device for mining according to claim 1 is characterized in that: A plurality of limiting strips (20) are fixedly mounted on the outer surface of the main conveying pipe (1), and a limiting slot for the limiting strips (20) to slide is provided on the inner wall of the sliding seat (12).

4. The positive pressure air distribution device for mining according to claim 1, characterized in that: A plurality of alignment plug plates (21) are fixed to the outer surface of the dust filter (18), and an alignment slot for inserting the alignment plug plates (21) is provided on the inner wall of the receiving groove at the bottom end of the main conveying pipe (1).

5. The positive pressure air distribution device for mining according to claim 1, characterized in that: A groove is provided on the inner wall of the receiving groove at the bottom end of the main conveying pipe (1), and a spring (22) is fixedly installed on the inner wall of the groove. A blocking block (23) is fixedly installed on the end of the spring (22), and the blocking block (23) is arranged in close contact with the lower surface of the dust filter (18).

6. The positive pressure air distribution device for mining according to claim 5, characterized in that: A telescopic rod (24) is arranged inside the spring (22), and two ends of the telescopic rod (24) are respectively fixedly connected to the inner wall of the groove and the side surface of the blocking block (23).

Images